Upload check
Check file size and type
Select files to see size, type and combined upload weight.
File Size Checker
Check file size and format before comparing them with portal requirements.
What the File Size Checker helps you do
Check the exact size and format of your files before uploading. Inspect file names, extensions, individual sizes and the total size of a group of selected files. The checker reports facts about the files; it cannot know every portal rule automatically.
How to use this tool
- Step 1: Select the files you plan to upload.
- Step 2: Review each extension and file size.
- Step 3: Compare the total with any combined upload limit.
- Step 4: Return to the appropriate tool if a file needs conversion or compression.
Checks before you submit
- Check for accidental duplicate files.
- Use simple file names if the portal rejects special characters.
- Open each file once before submission.
Limits to keep in mind
QuickFormTools cannot verify the private validation rules of every exam, university, employer or government portal. Treat the result as a preparation aid and compare it with the current instructions on the destination website.
Privacy note
The current version performs the file operation in your browser. Selected files are not intentionally sent to QuickFormTools servers by this tool.
Frequently asked questions
Is the File Size Checker free to use?
Yes. The current tool is available without an account or paid tier.
Does the result guarantee that a portal will accept it?
No. Portals can check additional rules that are not visible to this website. Verify the output against the official size, format, dimension, formula or eligibility instructions.
Can I use this tool on a phone?
The interface is designed for current mobile browsers as well as desktop browsers. Very large files or older devices may process more slowly.
Online forms can reject an otherwise valid document for a small technical reason: the wrong file type, an oversized PDF, unreadable text, extra pages, a password, or an unsupported file name. Work through this checklist before the final submission.
1. Copy the official requirements
Read the instructions beside the upload field and note the accepted format, minimum or maximum size, page limit and any required dimensions. Requirements can differ between fields on the same form. The current official instructions always take priority over a general guide.
2. Open the exact file you plan to submit
- Confirm the file opens without an error or password prompt.
- Check that names, dates, numbers, stamps and signatures are readable.
- Make sure no page is upside down, duplicated, missing or in the wrong order.
- Verify that the document belongs in the selected upload field.
3. Check format, size and name
A file extension is not enough on its own. A renamed image may still fail if the portal expects a real PDF. Use the file size checker to inspect the size and type, and use a simple name such as marksheet.pdf or photo.jpg. Avoid very long names and unusual symbols.
4. Use the least destructive fix
If the document is too large, reduce only as much as necessary. For photos, begin with the photo compressor and review the face or text at normal zoom. For several document images, use Images to PDF. For existing PDFs, avoid turning clear digital text into screenshots unless the form specifically requires images.
5. Review the form preview
Many portals show a file name, thumbnail or success label after selection. Confirm that the right file is attached to the right field, especially when photo, signature, ID proof and certificates appear close together. Do not assume that a successful selection means the portal has accepted the document content.
6. Keep the accepted copy
Store the final files and submission receipt in one folder until the application process is complete. If the portal later requests a correction, you can compare the new file with the exact version originally submitted.